"The harbinger of Justice. A god inside a mortal's body. A destroyer of life who once created it. The terror of Goku Black has terrorized the future for many years, leaving almost no humans to speak of. Civilizations destroyed, lives taken away, and planets destroyed. This mysterious murderer is only halted by the power of Trunks, but he still isn't strong enough to defeat Black, leaving him with the only option of returning to the past where he had visited 17 years before."